Answer: 
, where n is a natural number.
Step-by-step explanation:
A series can be represented in a summation or sigma notation.
Greek capital letter, ∑ (sigma), is used to represent the sum.
For example: 
, where n is a natural number.
The given series : 1,4,9,16 which can be written as 
.
So , we can write it as
, where n is a natural number.
Each cheeseburger is $4 and each cup of lemonade is $1.
So 1 cheeseburger and 2 cups of lemonade would cost $6.
Answer:
215g for 40p is best value for money.
Step-by-step explanation:
215g/40p = 5.38 g/p
395g/74p = 5.33 g/p
It's a question of decimal division.
Answer:
L = s^2/(30.25Cd)
Step-by-step explanation:
In accident investigation, the speed of a vehicle can be estimated using a polynomial function that relates speed (s) to the length of skid marks (L). The drag coefficient Cd will depend on the condition of the road surface and tires, but might be expected to be between 0.7 and 0.8.
If the skid marks end in a collision, the length of the marks that might have been made can be estimated using this formula, then that length added to the actual length of marks to estimate the original speed. The speed at the point of collision can be estimated by the damage caused, and/or the movement created.
In the above formula, length is in feet, and speed is in miles per hour.
Answer:82 notes
Step-by-step explanation:
18.57*890=16527.30
16527/200=82.6365
Nearest whole number=82
